38954020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{39749}}^1$

素因数の和:39772

約数の個数: 36

約数和(自身を含む): 95161500

約数和(自身を除く): 56207480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 39749, 79498, 158996, 198745, 278243, 397490, 556486, 794980, 1112972, 1391215, 1947701, 2782430, 3895402, 5564860, 7790804, 9738505, 19477010, 38954020]

約数ペア:

[(1, 38954020), (2, 19477010), (4, 9738505), (5, 7790804), (7, 5564860), (10, 3895402), (14, 2782430), (20, 1947701), (28, 1391215), (35, 1112972), (49, 794980), (70, 556486), (98, 397490), (140, 278243), (196, 198745), (245, 158996), (490, 79498), (980, 39749)]